ALSA: scarlett2: Disable autogain during phantom power state change

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When phantom power is enabled or disabled, the autogain control cannot
be enabled until the interface has signalled that the change is
complete and the input is unmuted. Update those controls to be
read-only during this time.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/f49f7bf9358e1f20713d95d407d8d6a436859877.1703612638.git.g@b4.vu

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Geoffrey D. Bennett 2023-12-27 04:37:56 +10:30 • committed by Takashi Iwai

parent 0d2e791db4

commit 882a2a36c4

1 changed files with 113 additions and 10 deletions

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sound/usb/mixer_scarlett2.c

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